Add the loopback interface (Virtual Network Card) to Windows XP and set the physical address of the virtual network card.

To facilitate experiments, a always-active loopback interface is often added in Windows. The following describes how to add the loopback interface:

Add hardware in "start" Control Panel "and double-click it to open it, as shown in Figure 1:

Figure 1:

Figure 1
Click Next. After the hardware search is complete, Figure 2 is displayed:

Figure 2:

 

Click "Next", select "yes", and click "Next". 3:

Figure 3:
Select "Add new hardware device" and click "Next". Step 4:

Figure 4:
Select "install hardware manually selected from the list" and click "Next:

Figure 5:
Select "network adapter" and click Next. 6:

Figure 6:

Select "Microsoft" in the vendor list on the left, select "Microsoft loopback adapter" for the NIC, and click "Next" to complete the installation.

Finally, a local connection described as Microsoft loopback adapter appears in your network connection, so you can configure the IP address like the real physical Nic.

Set the network adapter's thing address

First, open the network connection (right click "Network Neighbor"-"Left click" properties "), right click the new" local connection 2 "-" Left click "properties" appears, as shown in the interface:

Click "Configure" on this page. The following page is displayed:

Select "network address" in the "advanced" label and modify the "value" data according to the data format shown in the figure (in fact, this is the physical address displayed by the virtual Nic ), OK.

Note: The NIC address must start with 02 or 0a. Other data is invalid.